110 



MEMOIRS OF THE NEW YORK BOTANICAL GARDEN [Vol. 9, No. 1 



Setaria phragmitoides Stapf in Prain, Fl. Trop. Afr. 9: 782. 1930. 



Chikwawa District: Lower Mwanza River, scattered on sandy beaches, 180 m., 

 October 6, 1946, 18017. Also in Portuguese East Africa, Northern and Southern 

 Rhodesia. 



Setaria sphacelata (Schumach.) Stapf & Hubbard ex M. B. Moss, Kew Bull. 1929: 

 195. 1929; in Prain, Fl. Trop. Afr. 9: 795. 1930. 



P anicum sphacelation Schumach. Beskr. Guin. PI. 58. 1827 (Danske Vidensk. Selsk. 



Skr. 3: 38. 1828). 

 Setaria aurea Hochst. ex A. Br. Flora 24 1 : 276. 1841. 

 P ennisetum aureum (Hochst.) A. Rich. Tent. Fl. Abyss. 2: 378. 1851. 

 P anicum chry santhum Steud. Syn. PI. Glum. 1: 50. 1854. 

 P anicum rudimento sum Steud. Syn. PI. Glum. 1: 51. 1854. 

 Setaria rudimentosa (Steud.) Durand & Schinz, Consp. Fl. Afr. 5: 774. 1895. 

 Cbaetochloa aurea (Hochst.) Hitchc. Proc. Biol. Soc. Wash. 29: 128. 1916. 



Mlanje District: Mlanje Mountain; Luchenya Plateau, frequent on grassy flood- 

 banks of forest streams, 1820 m., July 5, 1946, 16674. Widespread in tropical 

 Africa and in South Africa. 



Setaria splendida Stapf in Prain, Fl. Trop. Afr. 9: 799- 1930. 



Mlanje District: Likubula Gorge; lower western slopes of Mlanje Mountain, 

 moist rocky bank of river, 840 m., June 20, 1946, 16387. In moist situations from 

 French Equatorial Africa and the Anglo-Egyptian Sudan to Southern Rhodesia 

 and South Africa. 



Paspalidium geminatum (Forssk.) Stapf in Prain, Fl. Trop. Afr. 9: 583. 1920. 



Panicum geminatum Forssk. Fl. Aegypt.-Arab. 18. 1775. 

 P anicum fluitans Retz. Obs. Bot. 3: 8. 1783. 

 Paspalum appressum Lam. Tab. Encyc. 1: 176. 1797. 

 Digitaria appressa (Lam.) Pers. Syn. 1: 85. 1805. 



Panicum beckmanniae forme Mikan. ex. Trin. in Spreng. Neue Entdeck. 2: 83. 1821. 



Panicum truncatum Trin. Gram. Pan. 130. 1826. 



Panicum brizaeforme Presl. Rel. Haenk. 1: 302. 1830. 



Panicum appressum (Lam.) Doell in Mart. Fl. Bras. 2*: 184. 1877. 



Chikwawa District: Lower Mwanza River, gregarious on moist silt, 180 m., Oc- 

 tober 6, 1946, 18001. Warm regions of both hemispheres; Egypt, Canary and Cape 

 Verde Islands, tropical Africa; Mascarene Islands; India; tropical and subtropical 

 America. 



Oplismenus compositus (L.) Beauv. Agrost. 54, 168, 169, 1812; Stapf in Prain, Fl. 

 . Trop. Afr. 9: 634. 1920. 

 Panicum compositum L. Sp. PI. 57, 1753. 



Kota-kota District: Nchisi Mountain, locally abundant as ground cover in rain- 

 forest, 1550 m., July 3O, 1946, 17044. Tropical east Africa, from Eritrea to Portu- 

 guese East Africa and Southern Rhodesia; Mascarene Islands; tropical and sub- 

 tropical Asia, Australia, and Polynesia. 



Oplismenus hirtellus (L.) Beauv. Agrost. 54, 168, 169, 1812: Stapf in Prain, Fl. 

 Trop. Afr. 9: 631. 1920. 

 Panicum hirtellum L. Syst. Nat. ed. 10. 2: 870. 1759. 



Cholo District: Cholo Mountain, occasional in small clumps in rain-forest, 

 1350 m., Sept. 26, 1946, 17815. Tropical America; tropical and South Africa; Mas- 

 carene Islands; Polynesia. 



Brass' specimens represent the form with few-spiculate racemes described as 

 Oplismenus capensis Hochst. (Flora 29: 114. 1846) and 0. africanus Beauv. var. 

 capensis (Hochst.) Stapf (in Dyer, Fl. Cap. 7: 417. 1899). 



